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Did an Ancient Virus ‘Infect’ Some People With Drug Addiction?

Researchers say it’s possible that some people may be more prone to drug addiction if they carry an ancient retrovirus called HK2 in their genome. Not all people have HK2 viruses in them, but according to Hilltop Monitor, a new study found that people who inject drugs were found to more frequently have it. They commented that HK2 manipulates surrounding genes and triggers addictive behaviors, and that understanding how this works will be important for developing pharmacological...